[ci skip] Update NEWS for PHP 8.4.0 beta1

Also move this news item up to beta2 since it happened while I was
tagging beta1.

Author: NattyNarwhal

NEWS

@@ -1,6 +1,11 @@
 PHP                                                                        NEWS
 |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
-?? ??? ????, PHP 8.4.0beta1
+?? ??? ????, PHP 8.4.0beta2
+
+- Core:
+  . Exiting a namespace now clears seen symbols. (ilutov)
+
+15 Aug 2024, PHP 8.4.0beta1
 
 - Core:
   . Updated build system scripts config.guess to 2024-07-27 and config.sub to
@@ -12,7 +17,6 @@ PHP                                                                        NEWS
   . Passing E_USER_ERROR to trigger_error() is now deprecated. (Girgias)
   . Fixed bug GH-15292 (Dynamic AVX detection is broken for MSVC). (nielsdos)
   . Using "_" as a class name is now deprecated. (Girgias)
-  . Exiting a namespace now clears seen symbols. (ilutov)
 
 - Curl:
   . Added constants CURL_HTTP_VERSION_3 (libcurl 7.66) and CURL_HTTP_VERSION_3ONLY